/**
 * User:langchen
 * Date:2022-07-27
 * Time:14:56
 */
public class judgeyear {
    public static void main(String[] args) {
        int year= 1000;
        for(year=1000;year<=2000;year++){
            if(year%4==0 && year%100!=0 || year%400==0){
                System.out.println(year);
            }
        }
    }
}
